Xerox PHASER 6250 Service Manual

4-14 Phaser 6250 Color Laser Printer Service Manual
3
Disconnect the connectors J163, J164
and J165 from the LVPS, turn the AC
power switch on and verify the DC
voltages between the following pins on
the Low Voltage Power Supply board.
P163-1 <=> P163-2 = +24 VDC?
P164-1 <=> P164-2 = +3.3 VDC?
P165-1 <=> P165-2 = +5 VDC?
P165-3 <=> P165-4 = +3.3 VDC?
Caution
Be careful not to touch any other
pins during these measurements or
you may blow the fuse (F001) on the
LVPS.
Go to Step 4. Replace the Low-
Voltage Power
Supply Board,
page 8-99.
4
Turn the AC power switch OFF.
Connect J164 to the LVPS then turn the
AC power switch ON.
P/J164-1 <=>P/J164-2 = +3.3 VDC?
Go to Step 7. Go to Step 5.
5
Check the following parts for fault or
damage:
■ LVRPG Harness Assembly for
damage or if it is shorted to the
frame.
■ Engine Control Board.
Replace if
damaged or
defective.
Go to Step 7.
6
Does the problem recur? Go to Step 7 Complete
7
Turn the AC power switch OFF.
Connect J165 to the LVPS then turn the
AC power switch ON.
Verify:
P/J165-1 <=> P/J165-2 = +5 VDC?
P/J165-3 <=> P/J165-4 = +3.3 VDC?
Go to Step 10. Go to Step 8.
8
Check the following parts for fault or
damage:
■ LVNC Harness Assembly
■ Motor Driver Board
Replace if
damaged or
defective.
Go to Step 10.
9
Does the error recur? Go to Step 10. Complete
10
Turn the AC power Switch OFF
Connect J163 to the LVPS then turn the
AC power switch ON.
P/J163-1 <->P/J163-2 = +24 VDC?
Complete Go to Step 11.
11
Check the following for fault or damage:
■ 24V Harness Assembly
■ Motor Driver Board
Replace if
damaged or
defective.
Complete
Procedure (Continued)
Step Action and Questions Yes No

Xerox PHASER 6250 Specifications

General

Brand	Xerox
Model	PHASER 6250
Category	Printer
Language	English